FR3078496B1 - Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile - Google Patents

Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile Download PDF

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Publication number
FR3078496B1
FR3078496B1 FR1851809A FR1851809A FR3078496B1 FR 3078496 B1 FR3078496 B1 FR 3078496B1 FR 1851809 A FR1851809 A FR 1851809A FR 1851809 A FR1851809 A FR 1851809A FR 3078496 B1 FR3078496 B1 FR 3078496B1
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FR
France
Prior art keywords
powder
distribution
additive manufacturing
manufacturing machine
vibrations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1851809A
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English (en)
Other versions
FR3078496A1 (fr
Inventor
Cedric Carlavan
Gilles Walrand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AddUp SAS
Original Assignee
AddUp SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR1851809A priority Critical patent/FR3078496B1/fr
Application filed by AddUp SAS filed Critical AddUp SAS
Priority to US16/977,134 priority patent/US11345083B2/en
Priority to JP2020545629A priority patent/JP7271564B2/ja
Priority to CN201980016310.3A priority patent/CN111788026B/zh
Priority to EP19711990.2A priority patent/EP3758871B1/fr
Priority to KR1020207024772A priority patent/KR20200125610A/ko
Priority to PCT/FR2019/050427 priority patent/WO2019166727A1/fr
Publication of FR3078496A1 publication Critical patent/FR3078496A1/fr
Application granted granted Critical
Publication of FR3078496B1 publication Critical patent/FR3078496B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/38—Housings, e.g. machine housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50—Means for feeding of material, e.g. heads
    • B22F12/52—Hoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50—Means for feeding of material, e.g. heads
    • B22F12/57—Metering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/227—Driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245—Platforms or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/25—Housings, e.g. machine housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/343—Metering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/30—Platforms or substrates
    • B22F12/37—Rotatable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/90—Means for process control, e.g. cameras or sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2202/00—Treatment under specific physical conditions
    • B22F2202/01—Use of vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Powder Metallurgy (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

L'invention concerne une machine (10) de fabrication additive, cette machine comprenant au moins une surface de réception de poudre mobile (28) et apte à se déplacer à proximité d'une zone de fabrication (20), un dispositif d'étalement de poudre (30), et un dispositif de distribution de poudre (32) sur la surface de réception mobile. Le dispositif de distribution de poudre comprend un réservoir tampon (38) relié à une alimentation en poudre (40) et un conduit de distribution (42) reliant le réservoir tampon à un point de distribution de poudre (P1) situé au-dessus de la surface de réception mobile, et le conduit de distribution (42) est monté sur un dispositif vibrant permettant de faire vibrer le conduit de distribution de façon à générer un flux continu de poudre dans le conduit de distribution et du réservoir tampon vers le point de distribution de poudre.
FR1851809A 2018-03-01 2018-03-01 Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile Active FR3078496B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR1851809A FR3078496B1 (fr) 2018-03-01 2018-03-01 Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile
JP2020545629A JP7271564B2 (ja) 2018-03-01 2019-02-25 振動を使用して可動面の上に粉末を分配するためのデバイスを含む積層造形装置
CN201980016310.3A CN111788026B (zh) 2018-03-01 2019-02-25 包含利用振动使粉末分布在活动表面上的装置的增材制造机器
EP19711990.2A EP3758871B1 (fr) 2018-03-01 2019-02-25 Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile
US16/977,134 US11345083B2 (en) 2018-03-01 2019-02-25 Additive manufacturing machine comprising a device for the distribution of powder onto a mobile surface using vibration
KR1020207024772A KR20200125610A (ko) 2018-03-01 2019-02-25 진동을 이용하여 가동 표면 상으로 분말을 분배하기 위한 장치를 포함하는 적층 제조 기계
PCT/FR2019/050427 WO2019166727A1 (fr) 2018-03-01 2019-02-25 Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1851809A FR3078496B1 (fr) 2018-03-01 2018-03-01 Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile
FR1851809 2018-03-01

Publications (2)

Publication Number Publication Date
FR3078496A1 FR3078496A1 (fr) 2019-09-06
FR3078496B1 true FR3078496B1 (fr) 2021-01-22

Family

ID=62528607

Family Applications (1)

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FR1851809A Active FR3078496B1 (fr) 2018-03-01 2018-03-01 Machine de fabrication additive comprenant un dispositif de distribution de poudre par vibrations sur une surface mobile

Country Status (7)

Country Link
US (1) US11345083B2 (fr)
EP (1) EP3758871B1 (fr)
JP (1) JP7271564B2 (fr)
KR (1) KR20200125610A (fr)
CN (1) CN111788026B (fr)
FR (1) FR3078496B1 (fr)
WO (1) WO2019166727A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3087139B1 (fr) 2018-10-16 2020-10-02 Addup Machine de fabrication additive comprenant une distribution de poudre mobile et regulee
DE102021004708A1 (de) * 2021-09-20 2023-03-23 Volkmann Gesellschaft mit beschränkter Haftung Vorrichtung und verfahren zum herstellen oder handhaben einer pulvermischung, additives fertigungsverfahren und pulvermischung
CN113909503B (zh) * 2021-10-27 2024-01-16 沈阳工业大学 基于微振动辅助金属零件激光增材制造装置及方法
CN114734064B (zh) * 2022-06-10 2022-08-26 航宇新材料智能制造研究院(山西)有限公司 一种选区熔化成形设备的振动铺粉装置
DE102022128599A1 (de) 2022-10-28 2024-05-08 Trumpf Laser- Und Systemtechnik Gmbh Dosierungsvorrichtung, additive Fertigungsvorrichtung sowie Dosierungsverfahren

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB608075A (en) 1945-03-01 1948-09-09 Linde Air Prod Co Powder dispensing
US3091368A (en) * 1961-03-01 1963-05-28 Remington Arms Co Inc Powder measuring device
US4270675A (en) * 1979-10-29 1981-06-02 United Technologies Corporation Powder feed apparatus
JPH0811613B2 (ja) * 1987-05-27 1996-02-07 株式会社ネオテック 振動型輸送管
US5038014A (en) * 1989-02-08 1991-08-06 General Electric Company Fabrication of components by layered deposition
IL92428A (en) * 1989-02-08 1992-12-01 Gen Electric Fabrication of components by layered deposition
US20090294469A1 (en) 2008-05-30 2009-12-03 Ecolab Inc. Mass-Based Powder Dispensing
FR2984191B1 (fr) 2011-12-20 2014-01-10 Michelin Soc Tech Machine et procede pour la fabrication additive a base de poudre
JP6359316B2 (ja) * 2014-03-31 2018-07-18 三菱重工業株式会社 三次元積層装置及び三次元積層方法
FR3032637A1 (fr) * 2015-02-16 2016-08-19 Michelin & Cie Procede de gestion d'une poudre dans une installation de fabrication additive comprenant une pluralite de machines
KR20180033530A (ko) * 2015-07-18 2018-04-03 벌컨폼즈 아이엔씨. 공간적으로 제어된 재료 융합에 의한 적층 제조
US10913206B2 (en) * 2015-08-03 2021-02-09 Delavan, Inc Systems and methods for post additive manufacturing processing
CN105383060B (zh) * 2015-12-07 2017-10-17 济南鲁洋科技有限公司 一种3d打印供料、助熔及助晶整平一体化装置
FR3046095B1 (fr) * 2015-12-23 2018-01-26 Addup Machine de fabrication additive et procede de fabrication additive mettant en oeuvre une telle machine
US10384435B2 (en) * 2016-01-04 2019-08-20 Caterpillar Inc. 3D printing
JP6132962B1 (ja) * 2016-06-01 2017-05-24 株式会社ソディック 積層造形装置および積層造形装置の材料粉体の再利用方法
CN107457992A (zh) 2017-08-10 2017-12-12 常兆芹 一种传输3d打印粉末耗材的方法
FR3087139B1 (fr) 2018-10-16 2020-10-02 Addup Machine de fabrication additive comprenant une distribution de poudre mobile et regulee

Also Published As

Publication number Publication date
US20210001544A1 (en) 2021-01-07
KR20200125610A (ko) 2020-11-04
EP3758871A1 (fr) 2021-01-06
FR3078496A1 (fr) 2019-09-06
CN111788026B (zh) 2023-01-24
JP7271564B2 (ja) 2023-05-11
JP2021515104A (ja) 2021-06-17
WO2019166727A1 (fr) 2019-09-06
US11345083B2 (en) 2022-05-31
EP3758871B1 (fr) 2023-04-05
CN111788026A (zh) 2020-10-16

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